Move to the denominator using the negative exponent rule .

Cancel the common factor of and .

Factor out of .

Cancel the common factors.

Factor out of .

Cancel the common factor.

Rewrite the expression.

Simplify the denominator.

Apply the product rule to .

Multiply the exponents in .

Apply the power rule and multiply exponents, .

Multiply by .

Rewrite the expression using the negative exponent rule .

Multiply the exponents in .

Apply the power rule and multiply exponents, .

Multiply by .

Rewrite the expression using the negative exponent rule .

Simplify the denominator.

Combine and .

Multiply and .

Reduce the expression by cancelling the common factors.

Multiply by .

Factor out of .

Cancel the common factor.

Rewrite the expression.

Multiply the numerator by the reciprocal of the denominator.

Multiply by by adding the exponents.

Move .

Multiply by .

Raise to the power of .

Use the power rule to combine exponents.

Add and .

Rewrite the expression using the negative exponent rule .

Simplify the denominator.

Apply the product rule to .

Apply the product rule to .

Multiply the exponents in .

Apply the power rule and multiply exponents, .

Multiply by .

Multiply the exponents in .

Apply the power rule and multiply exponents, .

Multiply by .

Cancel the common factor of .

Move the leading negative in into the numerator.

Factor out of .

Cancel the common factor.

Rewrite the expression.

Cancel the common factor of .

Factor out of .

Cancel the common factor.

Rewrite the expression.

Cancel the common factor of .

Cancel the common factor.

Rewrite the expression.

Add and .

Simplify -((abc(a^-2c^-3)^-3)/(c^7))^-7a^49b^7c^21+1